body{
    padding-left: 800px;
    padding-top: 200px;
    background-color: white;
 }
 .sy{
    text-align: left;
     width: 300px;
     height: 300px;
     background-color: antiquewhite;
 

 }
 .btn{
     width: 270px;
     height: 40px;
     background-color: aquamarine;
     border-radius: 50px;
     margin-top: 30px;
     margin-left: 15px;   
 }